- Dynamic Optimization of Ladder Track Components to Minimize the Subway Vibration,
Z.Q. Yan, V.L. Markine, A.J. Gu and Q.H. Liang
Paper 8.136 from CCP: 99, ISBN 978-1-905088-54-6 (2012)
- Application of Conception of Distance for the Genetic Algorithm,
H. Liang and J.Z. Cui
Paper 2.4 from CCP: 64, ISBN 0-948749-66-0 (2000)